package edu.wata.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;

import org.apache.log4j.Logger;

@WebFilter(urlPatterns = { "/*" }, initParams = { @WebInitParam(name = "charset", value = "utf-8") })
public class CharsetFilter implements Filter {

	private static Logger log = Logger.getLogger(CharsetFilter.class);
	private String charsetValue;

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		request.setCharacterEncoding(charsetValue);
		response.setCharacterEncoding(charsetValue);
		response.setContentType("text/html; charset=" + charsetValue);
		chain.doFilter(request, response);
	}

	public void init(FilterConfig fConfig) throws ServletException {
		charsetValue = fConfig.getInitParameter("charset");
	}

	@Override
	public void destroy() {

	}

}
